<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Please Sign In</title>
</head>
<body>
{% if message%}
<p style="color:red">{{message}}</p>
{% endif%}
<form action="/signin" method="post">
    <p><input name="username" placeholder="Username" value="{{username}}"></p>
    <p><input name="password" placeholder="Password" value="{{password}}"></p>
    <p>
        <button type="submit">Sign In</button>
    </p>
</form>
</body>
</html>